![Twitter \ pozitive technologies على تويتر: "Welcome next speaker #PozitiveTech2021 - Mateusz Olejarka - Principal Security Consultant and Head of Web Security SecuRing 👏 During conference Mateusz will raise the topic "Developer Twitter \ pozitive technologies على تويتر: "Welcome next speaker #PozitiveTech2021 - Mateusz Olejarka - Principal Security Consultant and Head of Web Security SecuRing 👏 During conference Mateusz will raise the topic "Developer](https://pbs.twimg.com/media/FC8ii1fXMA8azlC.jpg)
Twitter \ pozitive technologies على تويتر: "Welcome next speaker #PozitiveTech2021 - Mateusz Olejarka - Principal Security Consultant and Head of Web Security SecuRing 👏 During conference Mateusz will raise the topic "Developer
![Meet our speaker: Mateusz Mach. Over one weekend he enjoyed his senior… | by Blockchain NeXt | Medium Meet our speaker: Mateusz Mach. Over one weekend he enjoyed his senior… | by Blockchain NeXt | Medium](https://miro.medium.com/max/1152/1*A8HzMTmjyQg7_tq_PYcoMQ.png)
Meet our speaker: Mateusz Mach. Over one weekend he enjoyed his senior… | by Blockchain NeXt | Medium
![allegro.tech on Twitter: "Say hello to our Allegro speaker at the Confitura conference! Mateusz Grużewski, programmer/blogger/team leader at @AllegroTech, will introduce you to the C4 model. Check the details in the agenda: allegro.tech on Twitter: "Say hello to our Allegro speaker at the Confitura conference! Mateusz Grużewski, programmer/blogger/team leader at @AllegroTech, will introduce you to the C4 model. Check the details in the agenda:](https://pbs.twimg.com/media/FVSypGYXwAcgHIf.jpg)
allegro.tech on Twitter: "Say hello to our Allegro speaker at the Confitura conference! Mateusz Grużewski, programmer/blogger/team leader at @AllegroTech, will introduce you to the C4 model. Check the details in the agenda:
![Polish Senate Speaker, Tomasz Grodzki speaks to the public during the unveiling of the monument to Wladyslaw Bartoszewski in Sopot.Wladyslaw Bartoszewski was a Polish historian, publicist, journalist, writer, social activist, politician and Polish Senate Speaker, Tomasz Grodzki speaks to the public during the unveiling of the monument to Wladyslaw Bartoszewski in Sopot.Wladyslaw Bartoszewski was a Polish historian, publicist, journalist, writer, social activist, politician and](https://l450v.alamy.com/450v/2ek8b8d/polish-senate-speaker-tomasz-grodzki-speaks-to-the-public-during-the-unveiling-of-the-monument-to-wladyslaw-bartoszewski-in-sopot-wladyslaw-bartoszewski-was-a-polish-historian-publicist-journalist-writer-social-activist-politician-and-diplomat-auschwitz-prisoner-home-army-officer-activist-of-the-polish-underground-state-participant-in-the-warsaw-uprising-photo-by-mateusz-slodkowski-sopa-imagessipa-usa-2ek8b8d.jpg)
Polish Senate Speaker, Tomasz Grodzki speaks to the public during the unveiling of the monument to Wladyslaw Bartoszewski in Sopot.Wladyslaw Bartoszewski was a Polish historian, publicist, journalist, writer, social activist, politician and
![File:Mateusz Morawiecki odwiedza Kijów, opowiadał o możliwej inwazji rosyjskiej (2022.02.01) 03.jpg - Wikimedia Commons File:Mateusz Morawiecki odwiedza Kijów, opowiadał o możliwej inwazji rosyjskiej (2022.02.01) 03.jpg - Wikimedia Commons](https://upload.wikimedia.org/wikipedia/commons/d/da/Mateusz_Morawiecki_odwiedza_Kij%C3%B3w%2C_opowiada%C5%82_o_mo%C5%BCliwej_inwazji_rosyjskiej_%282022.02.01%29_03.jpg)